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Finding the Fourth Proportional to 79,750.08, 119,412.36 and 63,144

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Solution

The fourth proportional to 79,750.08, 119,412.36 and 63,144 is: 94,547.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.08 : 119,412.36 = 63,144 : x
  2. Step 2: Convert to fraction form
    79,750.08/119,412.36 = 63,144/x
  3. Step 3: Cross multiply
    79,750.08x = 119,412.36 × 63,144
  4. Step 4: Simplify right side
    79,750.08x = 7,540,174,059.84
  5. Step 5: Solve for x
    x = 7,540,174,059.84/79,750.08
  6. Step 6: Final answer
    x = 94,547.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.